Home / 157,655.20-236,482.80-98,557.60

Finding the Fourth Proportional to 157,655.20, 236,482.80 and 98,557.60

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Solution

The fourth proportional to 157,655.20, 236,482.80 and 98,557.60 is: 147,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,655.20 : 236,482.80 = 98,557.60 : x
  2. Step 2: Convert to fraction form
    157,655.20/236,482.80 = 98,557.60/x
  3. Step 3: Cross multiply
    157,655.20x = 236,482.80 × 98,557.60
  4. Step 4: Simplify right side
    157,655.20x = 23,307,177,209.28
  5. Step 5: Solve for x
    x = 23,307,177,209.28/157,655.20
  6. Step 6: Final answer
    x = 147,836.40

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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.