Home / 169,320.08-253,955.64-118,565.12

Finding the Fourth Proportional to 169,320.08, 253,955.64 and 118,565.12

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Solution

The fourth proportional to 169,320.08, 253,955.64 and 118,565.12 is: 177,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,320.08 : 253,955.64 = 118,565.12 : x
  2. Step 2: Convert to fraction form
    169,320.08/253,955.64 = 118,565.12/x
  3. Step 3: Cross multiply
    169,320.08x = 253,955.64 × 118,565.12
  4. Step 4: Simplify right side
    169,320.08x = 30,110,280,931.28
  5. Step 5: Solve for x
    x = 30,110,280,931.28/169,320.08
  6. Step 6: Final answer
    x = 177,830.54

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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.