Home / 317,078.16-437,551.12-181,085.20

Finding the Fourth Proportional to 317,078.16, 437,551.12 and 181,085.20

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Solution

The fourth proportional to 317,078.16, 437,551.12 and 181,085.20 is: 249,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,078.16 : 437,551.12 = 181,085.20 : x
  2. Step 2: Convert to fraction form
    317,078.16/437,551.12 = 181,085.20/x
  3. Step 3: Cross multiply
    317,078.16x = 437,551.12 × 181,085.20
  4. Step 4: Simplify right side
    317,078.16x = 79,234,032,075.42
  5. Step 5: Solve for x
    x = 79,234,032,075.42/317,078.16
  6. Step 6: Final answer
    x = 249,888.02

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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.