Home / 212,065.14-292,642.47-116,571.15

Finding the Fourth Proportional to 212,065.14, 292,642.47 and 116,571.15

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Solution

The fourth proportional to 212,065.14, 292,642.47 and 116,571.15 is: 160,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,065.14 : 292,642.47 = 116,571.15 : x
  2. Step 2: Convert to fraction form
    212,065.14/292,642.47 = 116,571.15/x
  3. Step 3: Cross multiply
    212,065.14x = 292,642.47 × 116,571.15
  4. Step 4: Simplify right side
    212,065.14x = 34,113,669,266.74
  5. Step 5: Solve for x
    x = 34,113,669,266.74/212,065.14
  6. Step 6: Final answer
    x = 160,864.11

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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.