Home / 249,026.40-373,539.60-71,539.20

Finding the Fourth Proportional to 249,026.40, 373,539.60 and 71,539.20

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Solution

The fourth proportional to 249,026.40, 373,539.60 and 71,539.20 is: 107,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,026.40 : 373,539.60 = 71,539.20 : x
  2. Step 2: Convert to fraction form
    249,026.40/373,539.60 = 71,539.20/x
  3. Step 3: Cross multiply
    249,026.40x = 373,539.60 × 71,539.20
  4. Step 4: Simplify right side
    249,026.40x = 26,722,724,152.32
  5. Step 5: Solve for x
    x = 26,722,724,152.32/249,026.40
  6. Step 6: Final answer
    x = 107,308.80

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1.5x scale

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.