Home / 348,528.78-522,582.30-156,368.02

Finding the Fourth Proportional to 348,528.78, 522,582.30 and 156,368.02

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Solution

The fourth proportional to 348,528.78, 522,582.30 and 156,368.02 is: 234,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,528.78 : 522,582.30 = 156,368.02 : x
  2. Step 2: Convert to fraction form
    348,528.78/522,582.30 = 156,368.02/x
  3. Step 3: Cross multiply
    348,528.78x = 522,582.30 × 156,368.02
  4. Step 4: Simplify right side
    348,528.78x = 81,715,159,538.05
  5. Step 5: Solve for x
    x = 81,715,159,538.05/348,528.78
  6. Step 6: Final answer
    x = 234,457.42

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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.