Home / 249,108.51-373,722.08-80,628.86

Finding the Fourth Proportional to 249,108.51, 373,722.08 and 80,628.86

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Solution

The fourth proportional to 249,108.51, 373,722.08 and 80,628.86 is: 120,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,108.51 : 373,722.08 = 80,628.86 : x
  2. Step 2: Convert to fraction form
    249,108.51/373,722.08 = 80,628.86/x
  3. Step 3: Cross multiply
    249,108.51x = 373,722.08 × 80,628.86
  4. Step 4: Simplify right side
    249,108.51x = 30,132,785,762.39
  5. Step 5: Solve for x
    x = 30,132,785,762.39/249,108.51
  6. Step 6: Final answer
    x = 120,962.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.