Home / 170,345.40-235,024.68-98,711.64

Finding the Fourth Proportional to 170,345.40, 235,024.68 and 98,711.64

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Solution

The fourth proportional to 170,345.40, 235,024.68 and 98,711.64 is: 136,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,345.40 : 235,024.68 = 98,711.64 : x
  2. Step 2: Convert to fraction form
    170,345.40/235,024.68 = 98,711.64/x
  3. Step 3: Cross multiply
    170,345.40x = 235,024.68 × 98,711.64
  4. Step 4: Simplify right side
    170,345.40x = 23,199,671,603.28
  5. Step 5: Solve for x
    x = 23,199,671,603.28/170,345.40
  6. Step 6: Final answer
    x = 136,191.95

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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.