Home / 89,158.06-133,946.06-84,114.18

Finding the Fourth Proportional to 89,158.06, 133,946.06 and 84,114.18

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Solution

The fourth proportional to 89,158.06, 133,946.06 and 84,114.18 is: 126,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,158.06 : 133,946.06 = 84,114.18 : x
  2. Step 2: Convert to fraction form
    89,158.06/133,946.06 = 84,114.18/x
  3. Step 3: Cross multiply
    89,158.06x = 133,946.06 × 84,114.18
  4. Step 4: Simplify right side
    89,158.06x = 11,266,763,001.13
  5. Step 5: Solve for x
    x = 11,266,763,001.13/89,158.06
  6. Step 6: Final answer
    x = 126,368.42

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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.