Home / 249,686.20-344,567.82-136,510.84

Finding the Fourth Proportional to 249,686.20, 344,567.82 and 136,510.84

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Solution

The fourth proportional to 249,686.20, 344,567.82 and 136,510.84 is: 188,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,686.20 : 344,567.82 = 136,510.84 : x
  2. Step 2: Convert to fraction form
    249,686.20/344,567.82 = 136,510.84/x
  3. Step 3: Cross multiply
    249,686.20x = 344,567.82 × 136,510.84
  4. Step 4: Simplify right side
    249,686.20x = 47,037,242,545.17
  5. Step 5: Solve for x
    x = 47,037,242,545.17/249,686.20
  6. Step 6: Final answer
    x = 188,385.43

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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.