Home / 140,547.35-193,957.13-76,886.21

Finding the Fourth Proportional to 140,547.35, 193,957.13 and 76,886.21

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Solution

The fourth proportional to 140,547.35, 193,957.13 and 76,886.21 is: 106,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,547.35 : 193,957.13 = 76,886.21 : x
  2. Step 2: Convert to fraction form
    140,547.35/193,957.13 = 76,886.21/x
  3. Step 3: Cross multiply
    140,547.35x = 193,957.13 × 76,886.21
  4. Step 4: Simplify right side
    140,547.35x = 14,912,628,628.18
  5. Step 5: Solve for x
    x = 14,912,628,628.18/140,547.35
  6. Step 6: Final answer
    x = 106,103.95

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1.5x scale

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.