Home / 136,017.46-187,689.45-75,574.45

Finding the Fourth Proportional to 136,017.46, 187,689.45 and 75,574.45

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Solution

The fourth proportional to 136,017.46, 187,689.45 and 75,574.45 is: 104,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,017.46 : 187,689.45 = 75,574.45 : x
  2. Step 2: Convert to fraction form
    136,017.46/187,689.45 = 75,574.45/x
  3. Step 3: Cross multiply
    136,017.46x = 187,689.45 × 75,574.45
  4. Step 4: Simplify right side
    136,017.46x = 14,184,526,954.55
  5. Step 5: Solve for x
    x = 14,184,526,954.55/136,017.46
  6. Step 6: Final answer
    x = 104,284.60

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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.