Home / 127,687.35-176,206.89-70,325.58

Finding the Fourth Proportional to 127,687.35, 176,206.89 and 70,325.58

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Solution

The fourth proportional to 127,687.35, 176,206.89 and 70,325.58 is: 97,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,687.35 : 176,206.89 = 70,325.58 : x
  2. Step 2: Convert to fraction form
    127,687.35/176,206.89 = 70,325.58/x
  3. Step 3: Cross multiply
    127,687.35x = 176,206.89 × 70,325.58
  4. Step 4: Simplify right side
    127,687.35x = 12,391,852,663.74
  5. Step 5: Solve for x
    x = 12,391,852,663.74/127,687.35
  6. Step 6: Final answer
    x = 97,048.39

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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.