Home / 147,157.39-203,149.17-98,741.98

Finding the Fourth Proportional to 147,157.39, 203,149.17 and 98,741.98

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Solution

The fourth proportional to 147,157.39, 203,149.17 and 98,741.98 is: 136,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,157.39 : 203,149.17 = 98,741.98 : x
  2. Step 2: Convert to fraction form
    147,157.39/203,149.17 = 98,741.98/x
  3. Step 3: Cross multiply
    147,157.39x = 203,149.17 × 98,741.98
  4. Step 4: Simplify right side
    147,157.39x = 20,059,351,281.16
  5. Step 5: Solve for x
    x = 20,059,351,281.16/147,157.39
  6. Step 6: Final answer
    x = 136,312.23

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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.