Home / 127,700.04-176,252.70-76,715.16

Finding the Fourth Proportional to 127,700.04, 176,252.70 and 76,715.16

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Solution

The fourth proportional to 127,700.04, 176,252.70 and 76,715.16 is: 105,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,700.04 : 176,252.70 = 76,715.16 : x
  2. Step 2: Convert to fraction form
    127,700.04/176,252.70 = 76,715.16/x
  3. Step 3: Cross multiply
    127,700.04x = 176,252.70 × 76,715.16
  4. Step 4: Simplify right side
    127,700.04x = 13,521,254,080.93
  5. Step 5: Solve for x
    x = 13,521,254,080.93/127,700.04
  6. Step 6: Final answer
    x = 105,882.93

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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.