Home / 146,655.12-202,384.08-79,587.12

Finding the Fourth Proportional to 146,655.12, 202,384.08 and 79,587.12

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Solution

The fourth proportional to 146,655.12, 202,384.08 and 79,587.12 is: 109,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,655.12 : 202,384.08 = 79,587.12 : x
  2. Step 2: Convert to fraction form
    146,655.12/202,384.08 = 79,587.12/x
  3. Step 3: Cross multiply
    146,655.12x = 202,384.08 × 79,587.12
  4. Step 4: Simplify right side
    146,655.12x = 16,107,166,061.05
  5. Step 5: Solve for x
    x = 16,107,166,061.05/146,655.12
  6. Step 6: Final answer
    x = 109,830.23

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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.