Home / 170,439-235,191.86-98,823.38

Finding the Fourth Proportional to 170,439, 235,191.86 and 98,823.38

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Solution

The fourth proportional to 170,439, 235,191.86 and 98,823.38 is: 136,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,439 : 235,191.86 = 98,823.38 : x
  2. Step 2: Convert to fraction form
    170,439/235,191.86 = 98,823.38/x
  3. Step 3: Cross multiply
    170,439x = 235,191.86 × 98,823.38
  4. Step 4: Simplify right side
    170,439x = 23,242,454,553.69
  5. Step 5: Solve for x
    x = 23,242,454,553.69/170,439
  6. Step 6: Final answer
    x = 136,368.17

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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.