Home / 127,124.86-175,432.31-70,536.23

Finding the Fourth Proportional to 127,124.86, 175,432.31 and 70,536.23

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Solution

The fourth proportional to 127,124.86, 175,432.31 and 70,536.23 is: 97,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.86 : 175,432.31 = 70,536.23 : x
  2. Step 2: Convert to fraction form
    127,124.86/175,432.31 = 70,536.23/x
  3. Step 3: Cross multiply
    127,124.86x = 175,432.31 × 70,536.23
  4. Step 4: Simplify right side
    127,124.86x = 12,374,334,843.70
  5. Step 5: Solve for x
    x = 12,374,334,843.70/127,124.86
  6. Step 6: Final answer
    x = 97,340.01

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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.