Home / 249,969.17-345,118.46-223,065.43

Finding the Fourth Proportional to 249,969.17, 345,118.46 and 223,065.43

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Solution

The fourth proportional to 249,969.17, 345,118.46 and 223,065.43 is: 307,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,969.17 : 345,118.46 = 223,065.43 : x
  2. Step 2: Convert to fraction form
    249,969.17/345,118.46 = 223,065.43/x
  3. Step 3: Cross multiply
    249,969.17x = 345,118.46 × 223,065.43
  4. Step 4: Simplify right side
    249,969.17x = 76,983,995,702.71
  5. Step 5: Solve for x
    x = 76,983,995,702.71/249,969.17
  6. Step 6: Final answer
    x = 307,973.96

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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.