Home / 153,714.28-212,089.59-93,283.56

Finding the Fourth Proportional to 153,714.28, 212,089.59 and 93,283.56

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Solution

The fourth proportional to 153,714.28, 212,089.59 and 93,283.56 is: 128,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,714.28 : 212,089.59 = 93,283.56 : x
  2. Step 2: Convert to fraction form
    153,714.28/212,089.59 = 93,283.56/x
  3. Step 3: Cross multiply
    153,714.28x = 212,089.59 × 93,283.56
  4. Step 4: Simplify right side
    153,714.28x = 19,784,471,994.14
  5. Step 5: Solve for x
    x = 19,784,471,994.14/153,714.28
  6. Step 6: Final answer
    x = 128,709.40

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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.