Home / 127,952.16-191,698.40-75,332.96

Finding the Fourth Proportional to 127,952.16, 191,698.40 and 75,332.96

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Solution

The fourth proportional to 127,952.16, 191,698.40 and 75,332.96 is: 112,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,952.16 : 191,698.40 = 75,332.96 : x
  2. Step 2: Convert to fraction form
    127,952.16/191,698.40 = 75,332.96/x
  3. Step 3: Cross multiply
    127,952.16x = 191,698.40 × 75,332.96
  4. Step 4: Simplify right side
    127,952.16x = 14,441,207,899.26
  5. Step 5: Solve for x
    x = 14,441,207,899.26/127,952.16
  6. Step 6: Final answer
    x = 112,864.12

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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.