Home / 127,706.24-176,227.71-70,343.66

Finding the Fourth Proportional to 127,706.24, 176,227.71 and 70,343.66

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Solution

The fourth proportional to 127,706.24, 176,227.71 and 70,343.66 is: 97,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,706.24 : 176,227.71 = 70,343.66 : x
  2. Step 2: Convert to fraction form
    127,706.24/176,227.71 = 70,343.66/x
  3. Step 3: Cross multiply
    127,706.24x = 176,227.71 × 70,343.66
  4. Step 4: Simplify right side
    127,706.24x = 12,396,502,114.82
  5. Step 5: Solve for x
    x = 12,396,502,114.82/127,706.24
  6. Step 6: Final answer
    x = 97,070.45

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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.