Home / 249,671.28-374,180.76-114,686.40

Finding the Fourth Proportional to 249,671.28, 374,180.76 and 114,686.40

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Solution

The fourth proportional to 249,671.28, 374,180.76 and 114,686.40 is: 171,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,671.28 : 374,180.76 = 114,686.40 : x
  2. Step 2: Convert to fraction form
    249,671.28/374,180.76 = 114,686.40/x
  3. Step 3: Cross multiply
    249,671.28x = 374,180.76 × 114,686.40
  4. Step 4: Simplify right side
    249,671.28x = 42,913,444,313.66
  5. Step 5: Solve for x
    x = 42,913,444,313.66/249,671.28
  6. Step 6: Final answer
    x = 171,879.78

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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.