Home / 249,010.72-343,632.60-135,831.04

Finding the Fourth Proportional to 249,010.72, 343,632.60 and 135,831.04

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Solution

The fourth proportional to 249,010.72, 343,632.60 and 135,831.04 is: 187,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,010.72 : 343,632.60 = 135,831.04 : x
  2. Step 2: Convert to fraction form
    249,010.72/343,632.60 = 135,831.04/x
  3. Step 3: Cross multiply
    249,010.72x = 343,632.60 × 135,831.04
  4. Step 4: Simplify right side
    249,010.72x = 46,675,973,435.90
  5. Step 5: Solve for x
    x = 46,675,973,435.90/249,010.72
  6. Step 6: Final answer
    x = 187,445.64

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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.