Home / 157,543.20-236,314.80-98,445.60

Finding the Fourth Proportional to 157,543.20, 236,314.80 and 98,445.60

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Solution

The fourth proportional to 157,543.20, 236,314.80 and 98,445.60 is: 147,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,543.20 : 236,314.80 = 98,445.60 : x
  2. Step 2: Convert to fraction form
    157,543.20/236,314.80 = 98,445.60/x
  3. Step 3: Cross multiply
    157,543.20x = 236,314.80 × 98,445.60
  4. Step 4: Simplify right side
    157,543.20x = 23,264,152,274.88
  5. Step 5: Solve for x
    x = 23,264,152,274.88/157,543.20
  6. Step 6: Final answer
    x = 147,668.40

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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.