Home / 194,569.18-291,715.95-86,439.16

Finding the Fourth Proportional to 194,569.18, 291,715.95 and 86,439.16

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Solution

The fourth proportional to 194,569.18, 291,715.95 and 86,439.16 is: 129,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,569.18 : 291,715.95 = 86,439.16 : x
  2. Step 2: Convert to fraction form
    194,569.18/291,715.95 = 86,439.16/x
  3. Step 3: Cross multiply
    194,569.18x = 291,715.95 × 86,439.16
  4. Step 4: Simplify right side
    194,569.18x = 25,215,681,244.41
  5. Step 5: Solve for x
    x = 25,215,681,244.41/194,569.18
  6. Step 6: Final answer
    x = 129,597.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.