Home / 157,278.45-235,918.41-67,308.00

Finding the Fourth Proportional to 157,278.45, 235,918.41 and 67,308.00

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Solution

The fourth proportional to 157,278.45, 235,918.41 and 67,308.00 is: 100,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278.45 : 235,918.41 = 67,308.00 : x
  2. Step 2: Convert to fraction form
    157,278.45/235,918.41 = 67,308.00/x
  3. Step 3: Cross multiply
    157,278.45x = 235,918.41 × 67,308.00
  4. Step 4: Simplify right side
    157,278.45x = 15,879,196,482.42
  5. Step 5: Solve for x
    x = 15,879,196,482.42/157,278.45
  6. Step 6: Final answer
    x = 100,962.32

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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.