Home / 170,898.18-235,823.58-99,277.20

Finding the Fourth Proportional to 170,898.18, 235,823.58 and 99,277.20

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Solution

The fourth proportional to 170,898.18, 235,823.58 and 99,277.20 is: 136,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,898.18 : 235,823.58 = 99,277.20 : x
  2. Step 2: Convert to fraction form
    170,898.18/235,823.58 = 99,277.20/x
  3. Step 3: Cross multiply
    170,898.18x = 235,823.58 × 99,277.20
  4. Step 4: Simplify right side
    170,898.18x = 23,411,904,716.38
  5. Step 5: Solve for x
    x = 23,411,904,716.38/170,898.18
  6. Step 6: Final answer
    x = 136,993.29

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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.