Home / 127,605.80-191,437.18-38,866.16

Finding the Fourth Proportional to 127,605.80, 191,437.18 and 38,866.16

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Solution

The fourth proportional to 127,605.80, 191,437.18 and 38,866.16 is: 58,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,605.80 : 191,437.18 = 38,866.16 : x
  2. Step 2: Convert to fraction form
    127,605.80/191,437.18 = 38,866.16/x
  3. Step 3: Cross multiply
    127,605.80x = 191,437.18 × 38,866.16
  4. Step 4: Simplify right side
    127,605.80x = 7,440,428,449.26
  5. Step 5: Solve for x
    x = 7,440,428,449.26/127,605.80
  6. Step 6: Final answer
    x = 58,307.92

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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.