Home / 127,038.90-175,324.45-70,468.50

Finding the Fourth Proportional to 127,038.90, 175,324.45 and 70,468.50

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Solution

The fourth proportional to 127,038.90, 175,324.45 and 70,468.50 is: 97,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,038.90 : 175,324.45 = 70,468.50 : x
  2. Step 2: Convert to fraction form
    127,038.90/175,324.45 = 70,468.50/x
  3. Step 3: Cross multiply
    127,038.90x = 175,324.45 × 70,468.50
  4. Step 4: Simplify right side
    127,038.90x = 12,354,851,004.83
  5. Step 5: Solve for x
    x = 12,354,851,004.83/127,038.90
  6. Step 6: Final answer
    x = 97,252.50

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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.