Home / 318,368.65-439,346.28-175,125.55

Finding the Fourth Proportional to 318,368.65, 439,346.28 and 175,125.55

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Solution

The fourth proportional to 318,368.65, 439,346.28 and 175,125.55 is: 241,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,368.65 : 439,346.28 = 175,125.55 : x
  2. Step 2: Convert to fraction form
    318,368.65/439,346.28 = 175,125.55/x
  3. Step 3: Cross multiply
    318,368.65x = 439,346.28 × 175,125.55
  4. Step 4: Simplify right side
    318,368.65x = 76,940,758,925.45
  5. Step 5: Solve for x
    x = 76,940,758,925.45/318,368.65
  6. Step 6: Final answer
    x = 241,671.91

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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.