Home / 212,111.14-292,715.34-116,618.50

Finding the Fourth Proportional to 212,111.14, 292,715.34 and 116,618.50

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Solution

The fourth proportional to 212,111.14, 292,715.34 and 116,618.50 is: 160,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,111.14 : 292,715.34 = 116,618.50 : x
  2. Step 2: Convert to fraction form
    212,111.14/292,715.34 = 116,618.50/x
  3. Step 3: Cross multiply
    212,111.14x = 292,715.34 × 116,618.50
  4. Step 4: Simplify right side
    212,111.14x = 34,136,023,877.79
  5. Step 5: Solve for x
    x = 34,136,023,877.79/212,111.14
  6. Step 6: Final answer
    x = 160,934.61

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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.