Home / 157,069.16-235,464.30-57,210.74

Finding the Fourth Proportional to 157,069.16, 235,464.30 and 57,210.74

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Solution

The fourth proportional to 157,069.16, 235,464.30 and 57,210.74 is: 85,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,069.16 : 235,464.30 = 57,210.74 : x
  2. Step 2: Convert to fraction form
    157,069.16/235,464.30 = 57,210.74/x
  3. Step 3: Cross multiply
    157,069.16x = 235,464.30 × 57,210.74
  4. Step 4: Simplify right side
    157,069.16x = 13,471,085,669.26
  5. Step 5: Solve for x
    x = 13,471,085,669.26/157,069.16
  6. Step 6: Final answer
    x = 85,765.32

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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.