Home / 317,446.32-438,088.55-174,211.53

Finding the Fourth Proportional to 317,446.32, 438,088.55 and 174,211.53

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Solution

The fourth proportional to 317,446.32, 438,088.55 and 174,211.53 is: 240,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,446.32 : 438,088.55 = 174,211.53 : x
  2. Step 2: Convert to fraction form
    317,446.32/438,088.55 = 174,211.53/x
  3. Step 3: Cross multiply
    317,446.32x = 438,088.55 × 174,211.53
  4. Step 4: Simplify right side
    317,446.32x = 76,320,075,699.92
  5. Step 5: Solve for x
    x = 76,320,075,699.92/317,446.32
  6. Step 6: Final answer
    x = 240,418.84

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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.