Home / 127,691.99-176,213.33-70,330.16

Finding the Fourth Proportional to 127,691.99, 176,213.33 and 70,330.16

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Solution

The fourth proportional to 127,691.99, 176,213.33 and 70,330.16 is: 97,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,691.99 : 176,213.33 = 70,330.16 : x
  2. Step 2: Convert to fraction form
    127,691.99/176,213.33 = 70,330.16/x
  3. Step 3: Cross multiply
    127,691.99x = 176,213.33 × 70,330.16
  4. Step 4: Simplify right side
    127,691.99x = 12,393,111,341.38
  5. Step 5: Solve for x
    x = 12,393,111,341.38/127,691.99
  6. Step 6: Final answer
    x = 97,054.73

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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.