Home / 127,445.04-175,883.40-76,459.98

Finding the Fourth Proportional to 127,445.04, 175,883.40 and 76,459.98

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Solution

The fourth proportional to 127,445.04, 175,883.40 and 76,459.98 is: 105,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.04 : 175,883.40 = 76,459.98 : x
  2. Step 2: Convert to fraction form
    127,445.04/175,883.40 = 76,459.98/x
  3. Step 3: Cross multiply
    127,445.04x = 175,883.40 × 76,459.98
  4. Step 4: Simplify right side
    127,445.04x = 13,448,041,246.33
  5. Step 5: Solve for x
    x = 13,448,041,246.33/127,445.04
  6. Step 6: Final answer
    x = 105,520.32

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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.