Home / 157,514.40-236,271.60-155,440.80

Finding the Fourth Proportional to 157,514.40, 236,271.60 and 155,440.80

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Solution

The fourth proportional to 157,514.40, 236,271.60 and 155,440.80 is: 233,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,514.40 : 236,271.60 = 155,440.80 : x
  2. Step 2: Convert to fraction form
    157,514.40/236,271.60 = 155,440.80/x
  3. Step 3: Cross multiply
    157,514.40x = 236,271.60 × 155,440.80
  4. Step 4: Simplify right side
    157,514.40x = 36,726,246,521.28
  5. Step 5: Solve for x
    x = 36,726,246,521.28/157,514.40
  6. Step 6: Final answer
    x = 233,161.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.