Home / 127,445.28-175,873.10-70,088.48

Finding the Fourth Proportional to 127,445.28, 175,873.10 and 70,088.48

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Solution

The fourth proportional to 127,445.28, 175,873.10 and 70,088.48 is: 96,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.28 : 175,873.10 = 70,088.48 : x
  2. Step 2: Convert to fraction form
    127,445.28/175,873.10 = 70,088.48/x
  3. Step 3: Cross multiply
    127,445.28x = 175,873.10 × 70,088.48
  4. Step 4: Simplify right side
    127,445.28x = 12,326,677,022.08
  5. Step 5: Solve for x
    x = 12,326,677,022.08/127,445.28
  6. Step 6: Final answer
    x = 96,721.33

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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.