Home / 127,555.02-176,021.10-70,965.18

Finding the Fourth Proportional to 127,555.02, 176,021.10 and 70,965.18

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Solution

The fourth proportional to 127,555.02, 176,021.10 and 70,965.18 is: 97,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,555.02 : 176,021.10 = 70,965.18 : x
  2. Step 2: Convert to fraction form
    127,555.02/176,021.10 = 70,965.18/x
  3. Step 3: Cross multiply
    127,555.02x = 176,021.10 × 70,965.18
  4. Step 4: Simplify right side
    127,555.02x = 12,491,369,045.30
  5. Step 5: Solve for x
    x = 12,491,369,045.30/127,555.02
  6. Step 6: Final answer
    x = 97,929.26

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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.