Home / 119,242.16-164,518.30-71,478.08

Finding the Fourth Proportional to 119,242.16, 164,518.30 and 71,478.08

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Solution

The fourth proportional to 119,242.16, 164,518.30 and 71,478.08 is: 98,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,242.16 : 164,518.30 = 71,478.08 : x
  2. Step 2: Convert to fraction form
    119,242.16/164,518.30 = 71,478.08/x
  3. Step 3: Cross multiply
    119,242.16x = 164,518.30 × 71,478.08
  4. Step 4: Simplify right side
    119,242.16x = 11,759,452,208.86
  5. Step 5: Solve for x
    x = 11,759,452,208.86/119,242.16
  6. Step 6: Final answer
    x = 98,618.24

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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.