Home / 153,700.08-212,074.03-93,302.52

Finding the Fourth Proportional to 153,700.08, 212,074.03 and 93,302.52

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Solution

The fourth proportional to 153,700.08, 212,074.03 and 93,302.52 is: 128,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,700.08 : 212,074.03 = 93,302.52 : x
  2. Step 2: Convert to fraction form
    153,700.08/212,074.03 = 93,302.52/x
  3. Step 3: Cross multiply
    153,700.08x = 212,074.03 × 93,302.52
  4. Step 4: Simplify right side
    153,700.08x = 19,787,041,425.56
  5. Step 5: Solve for x
    x = 19,787,041,425.56/153,700.08
  6. Step 6: Final answer
    x = 128,738.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.