Home / 127,951.20-176,578-70,590.24

Finding the Fourth Proportional to 127,951.20, 176,578 and 70,590.24

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Solution

The fourth proportional to 127,951.20, 176,578 and 70,590.24 is: 97,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.20 : 176,578 = 70,590.24 : x
  2. Step 2: Convert to fraction form
    127,951.20/176,578 = 70,590.24/x
  3. Step 3: Cross multiply
    127,951.20x = 176,578 × 70,590.24
  4. Step 4: Simplify right side
    127,951.20x = 12,464,683,398.72
  5. Step 5: Solve for x
    x = 12,464,683,398.72/127,951.20
  6. Step 6: Final answer
    x = 97,417.48

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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.