Home / 352,620.16-528,934.56-103,307.20

Finding the Fourth Proportional to 352,620.16, 528,934.56 and 103,307.20

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Solution

The fourth proportional to 352,620.16, 528,934.56 and 103,307.20 is: 154,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,620.16 : 528,934.56 = 103,307.20 : x
  2. Step 2: Convert to fraction form
    352,620.16/528,934.56 = 103,307.20/x
  3. Step 3: Cross multiply
    352,620.16x = 528,934.56 × 103,307.20
  4. Step 4: Simplify right side
    352,620.16x = 54,642,748,376.83
  5. Step 5: Solve for x
    x = 54,642,748,376.83/352,620.16
  6. Step 6: Final answer
    x = 154,962.07

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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.