Home / 199,328.65-275,140.19-118,781.44

Finding the Fourth Proportional to 199,328.65, 275,140.19 and 118,781.44

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Solution

The fourth proportional to 199,328.65, 275,140.19 and 118,781.44 is: 163,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,328.65 : 275,140.19 = 118,781.44 : x
  2. Step 2: Convert to fraction form
    199,328.65/275,140.19 = 118,781.44/x
  3. Step 3: Cross multiply
    199,328.65x = 275,140.19 × 118,781.44
  4. Step 4: Simplify right side
    199,328.65x = 32,681,547,970.07
  5. Step 5: Solve for x
    x = 32,681,547,970.07/199,328.65
  6. Step 6: Final answer
    x = 163,958.11

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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.