Home / 104,999.10-157,498.65-103,616.70

Finding the Fourth Proportional to 104,999.10, 157,498.65 and 103,616.70

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Solution

The fourth proportional to 104,999.10, 157,498.65 and 103,616.70 is: 155,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,999.10 : 157,498.65 = 103,616.70 : x
  2. Step 2: Convert to fraction form
    104,999.10/157,498.65 = 103,616.70/x
  3. Step 3: Cross multiply
    104,999.10x = 157,498.65 × 103,616.70
  4. Step 4: Simplify right side
    104,999.10x = 16,319,490,367.46
  5. Step 5: Solve for x
    x = 16,319,490,367.46/104,999.10
  6. Step 6: Final answer
    x = 155,425.05

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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.