Home / 140,146.16-193,398.99-76,484.40

Finding the Fourth Proportional to 140,146.16, 193,398.99 and 76,484.40

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Solution

The fourth proportional to 140,146.16, 193,398.99 and 76,484.40 is: 105,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,146.16 : 193,398.99 = 76,484.40 : x
  2. Step 2: Convert to fraction form
    140,146.16/193,398.99 = 76,484.40/x
  3. Step 3: Cross multiply
    140,146.16x = 193,398.99 × 76,484.40
  4. Step 4: Simplify right side
    140,146.16x = 14,792,005,710.76
  5. Step 5: Solve for x
    x = 14,792,005,710.76/140,146.16
  6. Step 6: Final answer
    x = 105,547.00

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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.