Home / 112,577.18-168,886.23-53,412.29

Finding the Fourth Proportional to 112,577.18, 168,886.23 and 53,412.29

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Solution

The fourth proportional to 112,577.18, 168,886.23 and 53,412.29 is: 80,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,577.18 : 168,886.23 = 53,412.29 : x
  2. Step 2: Convert to fraction form
    112,577.18/168,886.23 = 53,412.29/x
  3. Step 3: Cross multiply
    112,577.18x = 168,886.23 × 53,412.29
  4. Step 4: Simplify right side
    112,577.18x = 9,020,600,832.35
  5. Step 5: Solve for x
    x = 9,020,600,832.35/112,577.18
  6. Step 6: Final answer
    x = 80,128.15

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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.