Home / 127,710.74-176,239.23-70,348.88

Finding the Fourth Proportional to 127,710.74, 176,239.23 and 70,348.88

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Solution

The fourth proportional to 127,710.74, 176,239.23 and 70,348.88 is: 97,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,710.74 : 176,239.23 = 70,348.88 : x
  2. Step 2: Convert to fraction form
    127,710.74/176,239.23 = 70,348.88/x
  3. Step 3: Cross multiply
    127,710.74x = 176,239.23 × 70,348.88
  4. Step 4: Simplify right side
    127,710.74x = 12,398,232,442.56
  5. Step 5: Solve for x
    x = 12,398,232,442.56/127,710.74
  6. Step 6: Final answer
    x = 97,080.58

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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.