Home / 127,746.32-176,295.36-71,157.72

Finding the Fourth Proportional to 127,746.32, 176,295.36 and 71,157.72

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Solution

The fourth proportional to 127,746.32, 176,295.36 and 71,157.72 is: 98,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746.32 : 176,295.36 = 71,157.72 : x
  2. Step 2: Convert to fraction form
    127,746.32/176,295.36 = 71,157.72/x
  3. Step 3: Cross multiply
    127,746.32x = 176,295.36 × 71,157.72
  4. Step 4: Simplify right side
    127,746.32x = 12,544,775,864.18
  5. Step 5: Solve for x
    x = 12,544,775,864.18/127,746.32
  6. Step 6: Final answer
    x = 98,200.68

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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.