Home / 249,510.75-344,333.34-136,340.79

Finding the Fourth Proportional to 249,510.75, 344,333.34 and 136,340.79

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Solution

The fourth proportional to 249,510.75, 344,333.34 and 136,340.79 is: 188,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,510.75 : 344,333.34 = 136,340.79 : x
  2. Step 2: Convert to fraction form
    249,510.75/344,333.34 = 136,340.79/x
  3. Step 3: Cross multiply
    249,510.75x = 344,333.34 × 136,340.79
  4. Step 4: Simplify right side
    249,510.75x = 46,946,679,598.94
  5. Step 5: Solve for x
    x = 46,946,679,598.94/249,510.75
  6. Step 6: Final answer
    x = 188,154.94

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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.