Home / 212,106.13-292,708.43-116,613.50

Finding the Fourth Proportional to 212,106.13, 292,708.43 and 116,613.50

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Solution

The fourth proportional to 212,106.13, 292,708.43 and 116,613.50 is: 160,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,106.13 : 292,708.43 = 116,613.50 : x
  2. Step 2: Convert to fraction form
    212,106.13/292,708.43 = 116,613.50/x
  3. Step 3: Cross multiply
    212,106.13x = 292,708.43 × 116,613.50
  4. Step 4: Simplify right side
    212,106.13x = 34,133,754,501.81
  5. Step 5: Solve for x
    x = 34,133,754,501.81/212,106.13
  6. Step 6: Final answer
    x = 160,927.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.