Home / 318,973.48-440,184.49-175,733.18

Finding the Fourth Proportional to 318,973.48, 440,184.49 and 175,733.18

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Solution

The fourth proportional to 318,973.48, 440,184.49 and 175,733.18 is: 242,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,973.48 : 440,184.49 = 175,733.18 : x
  2. Step 2: Convert to fraction form
    318,973.48/440,184.49 = 175,733.18/x
  3. Step 3: Cross multiply
    318,973.48x = 440,184.49 × 175,733.18
  4. Step 4: Simplify right side
    318,973.48x = 77,355,020,214.38
  5. Step 5: Solve for x
    x = 77,355,020,214.38/318,973.48
  6. Step 6: Final answer
    x = 242,512.39

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1.5x scale

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.