Home / 176,101.04-243,017.08-100,647.60

Finding the Fourth Proportional to 176,101.04, 243,017.08 and 100,647.60

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Solution

The fourth proportional to 176,101.04, 243,017.08 and 100,647.60 is: 138,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,101.04 : 243,017.08 = 100,647.60 : x
  2. Step 2: Convert to fraction form
    176,101.04/243,017.08 = 100,647.60/x
  3. Step 3: Cross multiply
    176,101.04x = 243,017.08 × 100,647.60
  4. Step 4: Simplify right side
    176,101.04x = 24,459,085,861.01
  5. Step 5: Solve for x
    x = 24,459,085,861.01/176,101.04
  6. Step 6: Final answer
    x = 138,892.34

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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.