Home / 102,236.10-153,354.15-97,643.40

Finding the Fourth Proportional to 102,236.10, 153,354.15 and 97,643.40

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Solution

The fourth proportional to 102,236.10, 153,354.15 and 97,643.40 is: 146,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,236.10 : 153,354.15 = 97,643.40 : x
  2. Step 2: Convert to fraction form
    102,236.10/153,354.15 = 97,643.40/x
  3. Step 3: Cross multiply
    102,236.10x = 153,354.15 × 97,643.40
  4. Step 4: Simplify right side
    102,236.10x = 14,974,020,610.11
  5. Step 5: Solve for x
    x = 14,974,020,610.11/102,236.10
  6. Step 6: Final answer
    x = 146,465.10

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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.