Home / 124,916.30-172,336.08-79,586.18

Finding the Fourth Proportional to 124,916.30, 172,336.08 and 79,586.18

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Solution

The fourth proportional to 124,916.30, 172,336.08 and 79,586.18 is: 109,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,916.30 : 172,336.08 = 79,586.18 : x
  2. Step 2: Convert to fraction form
    124,916.30/172,336.08 = 79,586.18/x
  3. Step 3: Cross multiply
    124,916.30x = 172,336.08 × 79,586.18
  4. Step 4: Simplify right side
    124,916.30x = 13,715,570,283.37
  5. Step 5: Solve for x
    x = 13,715,570,283.37/124,916.30
  6. Step 6: Final answer
    x = 109,798.08

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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.