Home / 127,553.16-191,332.90-61,000.32

Finding the Fourth Proportional to 127,553.16, 191,332.90 and 61,000.32

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Solution

The fourth proportional to 127,553.16, 191,332.90 and 61,000.32 is: 91,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,553.16 : 191,332.90 = 61,000.32 : x
  2. Step 2: Convert to fraction form
    127,553.16/191,332.90 = 61,000.32/x
  3. Step 3: Cross multiply
    127,553.16x = 191,332.90 × 61,000.32
  4. Step 4: Simplify right side
    127,553.16x = 11,671,368,126.53
  5. Step 5: Solve for x
    x = 11,671,368,126.53/127,553.16
  6. Step 6: Final answer
    x = 91,501.99

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1.5x scale

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.