Home / 97,206.18-134,147.34-56,916.16

Finding the Fourth Proportional to 97,206.18, 134,147.34 and 56,916.16

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Solution

The fourth proportional to 97,206.18, 134,147.34 and 56,916.16 is: 78,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,206.18 : 134,147.34 = 56,916.16 : x
  2. Step 2: Convert to fraction form
    97,206.18/134,147.34 = 56,916.16/x
  3. Step 3: Cross multiply
    97,206.18x = 134,147.34 × 56,916.16
  4. Step 4: Simplify right side
    97,206.18x = 7,635,151,467.01
  5. Step 5: Solve for x
    x = 7,635,151,467.01/97,206.18
  6. Step 6: Final answer
    x = 78,545.95

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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.