Home / 157,823.10-236,734.65-98,840.70

Finding the Fourth Proportional to 157,823.10, 236,734.65 and 98,840.70

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Solution

The fourth proportional to 157,823.10, 236,734.65 and 98,840.70 is: 148,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,823.10 : 236,734.65 = 98,840.70 : x
  2. Step 2: Convert to fraction form
    157,823.10/236,734.65 = 98,840.70/x
  3. Step 3: Cross multiply
    157,823.10x = 236,734.65 × 98,840.70
  4. Step 4: Simplify right side
    157,823.10x = 23,399,018,520.26
  5. Step 5: Solve for x
    x = 23,399,018,520.26/157,823.10
  6. Step 6: Final answer
    x = 148,261.05

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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.