Home / 119,184.93-164,547.45-78,933.20

Finding the Fourth Proportional to 119,184.93, 164,547.45 and 78,933.20

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Solution

The fourth proportional to 119,184.93, 164,547.45 and 78,933.20 is: 108,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,184.93 : 164,547.45 = 78,933.20 : x
  2. Step 2: Convert to fraction form
    119,184.93/164,547.45 = 78,933.20/x
  3. Step 3: Cross multiply
    119,184.93x = 164,547.45 × 78,933.20
  4. Step 4: Simplify right side
    119,184.93x = 12,988,255,957.60
  5. Step 5: Solve for x
    x = 12,988,255,957.60/119,184.93
  6. Step 6: Final answer
    x = 108,975.66

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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.