Home / 113,386.20-170,252.10-66,730.20

Finding the Fourth Proportional to 113,386.20, 170,252.10 and 66,730.20

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Solution

The fourth proportional to 113,386.20, 170,252.10 and 66,730.20 is: 100,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,386.20 : 170,252.10 = 66,730.20 : x
  2. Step 2: Convert to fraction form
    113,386.20/170,252.10 = 66,730.20/x
  3. Step 3: Cross multiply
    113,386.20x = 170,252.10 × 66,730.20
  4. Step 4: Simplify right side
    113,386.20x = 11,360,956,683.42
  5. Step 5: Solve for x
    x = 11,360,956,683.42/113,386.20
  6. Step 6: Final answer
    x = 100,197.00

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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.