Home / 147,017.53-202,852.96-86,566.12

Finding the Fourth Proportional to 147,017.53, 202,852.96 and 86,566.12

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Solution

The fourth proportional to 147,017.53, 202,852.96 and 86,566.12 is: 119,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,017.53 : 202,852.96 = 86,566.12 : x
  2. Step 2: Convert to fraction form
    147,017.53/202,852.96 = 86,566.12/x
  3. Step 3: Cross multiply
    147,017.53x = 202,852.96 × 86,566.12
  4. Step 4: Simplify right side
    147,017.53x = 17,560,192,954.17
  5. Step 5: Solve for x
    x = 17,560,192,954.17/147,017.53
  6. Step 6: Final answer
    x = 119,442.85

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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.