Home / 249,926.80-374,890.20-161,280.40

Finding the Fourth Proportional to 249,926.80, 374,890.20 and 161,280.40

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Solution

The fourth proportional to 249,926.80, 374,890.20 and 161,280.40 is: 241,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,926.80 : 374,890.20 = 161,280.40 : x
  2. Step 2: Convert to fraction form
    249,926.80/374,890.20 = 161,280.40/x
  3. Step 3: Cross multiply
    249,926.80x = 374,890.20 × 161,280.40
  4. Step 4: Simplify right side
    249,926.80x = 60,462,441,412.08
  5. Step 5: Solve for x
    x = 60,462,441,412.08/249,926.80
  6. Step 6: Final answer
    x = 241,920.60

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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.