Home / 126,292.48-174,252.08-72,592.80

Finding the Fourth Proportional to 126,292.48, 174,252.08 and 72,592.80

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Solution

The fourth proportional to 126,292.48, 174,252.08 and 72,592.80 is: 100,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,292.48 : 174,252.08 = 72,592.80 : x
  2. Step 2: Convert to fraction form
    126,292.48/174,252.08 = 72,592.80/x
  3. Step 3: Cross multiply
    126,292.48x = 174,252.08 × 72,592.80
  4. Step 4: Simplify right side
    126,292.48x = 12,649,446,393.02
  5. Step 5: Solve for x
    x = 12,649,446,393.02/126,292.48
  6. Step 6: Final answer
    x = 100,159.93

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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.