Home / 170,416.10-235,154.94-98,781.32

Finding the Fourth Proportional to 170,416.10, 235,154.94 and 98,781.32

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Solution

The fourth proportional to 170,416.10, 235,154.94 and 98,781.32 is: 136,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,416.10 : 235,154.94 = 98,781.32 : x
  2. Step 2: Convert to fraction form
    170,416.10/235,154.94 = 98,781.32/x
  3. Step 3: Cross multiply
    170,416.10x = 235,154.94 × 98,781.32
  4. Step 4: Simplify right side
    170,416.10x = 23,228,915,377.72
  5. Step 5: Solve for x
    x = 23,228,915,377.72/170,416.10
  6. Step 6: Final answer
    x = 136,307.05

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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.