Home / 249,526.78-344,249.31-153,867.40

Finding the Fourth Proportional to 249,526.78, 344,249.31 and 153,867.40

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Solution

The fourth proportional to 249,526.78, 344,249.31 and 153,867.40 is: 212,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,526.78 : 344,249.31 = 153,867.40 : x
  2. Step 2: Convert to fraction form
    249,526.78/344,249.31 = 153,867.40/x
  3. Step 3: Cross multiply
    249,526.78x = 344,249.31 × 153,867.40
  4. Step 4: Simplify right side
    249,526.78x = 52,968,746,281.49
  5. Step 5: Solve for x
    x = 52,968,746,281.49/249,526.78
  6. Step 6: Final answer
    x = 212,276.80

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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.