Home / 153,680.63-212,094.39-93,246.53

Finding the Fourth Proportional to 153,680.63, 212,094.39 and 93,246.53

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Solution

The fourth proportional to 153,680.63, 212,094.39 and 93,246.53 is: 128,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,680.63 : 212,094.39 = 93,246.53 : x
  2. Step 2: Convert to fraction form
    153,680.63/212,094.39 = 93,246.53/x
  3. Step 3: Cross multiply
    153,680.63x = 212,094.39 × 93,246.53
  4. Step 4: Simplify right side
    153,680.63x = 19,777,065,666.85
  5. Step 5: Solve for x
    x = 19,777,065,666.85/153,680.63
  6. Step 6: Final answer
    x = 128,689.38

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1.5x scale

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.