Home / 157,223.10-235,618.65-100,890.30

Finding the Fourth Proportional to 157,223.10, 235,618.65 and 100,890.30

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Solution

The fourth proportional to 157,223.10, 235,618.65 and 100,890.30 is: 151,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,223.10 : 235,618.65 = 100,890.30 : x
  2. Step 2: Convert to fraction form
    157,223.10/235,618.65 = 100,890.30/x
  3. Step 3: Cross multiply
    157,223.10x = 235,618.65 × 100,890.30
  4. Step 4: Simplify right side
    157,223.10x = 23,771,636,284.10
  5. Step 5: Solve for x
    x = 23,771,636,284.10/157,223.10
  6. Step 6: Final answer
    x = 151,196.84

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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.