Home / 249,895.18-374,842.77-72,402.31

Finding the Fourth Proportional to 249,895.18, 374,842.77 and 72,402.31

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Solution

The fourth proportional to 249,895.18, 374,842.77 and 72,402.31 is: 108,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,895.18 : 374,842.77 = 72,402.31 : x
  2. Step 2: Convert to fraction form
    249,895.18/374,842.77 = 72,402.31/x
  3. Step 3: Cross multiply
    249,895.18x = 374,842.77 × 72,402.31
  4. Step 4: Simplify right side
    249,895.18x = 27,139,482,434.80
  5. Step 5: Solve for x
    x = 27,139,482,434.80/249,895.18
  6. Step 6: Final answer
    x = 108,603.47

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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.