Home / 134,069.90-201,104.85-86,830.70

Finding the Fourth Proportional to 134,069.90, 201,104.85 and 86,830.70

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Solution

The fourth proportional to 134,069.90, 201,104.85 and 86,830.70 is: 130,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,069.90 : 201,104.85 = 86,830.70 : x
  2. Step 2: Convert to fraction form
    134,069.90/201,104.85 = 86,830.70/x
  3. Step 3: Cross multiply
    134,069.90x = 201,104.85 × 86,830.70
  4. Step 4: Simplify right side
    134,069.90x = 17,462,074,898.90
  5. Step 5: Solve for x
    x = 17,462,074,898.90/134,069.90
  6. Step 6: Final answer
    x = 130,246.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.