Home / 153,907.42-212,333.79-93,455.14

Finding the Fourth Proportional to 153,907.42, 212,333.79 and 93,455.14

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Solution

The fourth proportional to 153,907.42, 212,333.79 and 93,455.14 is: 128,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,907.42 : 212,333.79 = 93,455.14 : x
  2. Step 2: Convert to fraction form
    153,907.42/212,333.79 = 93,455.14/x
  3. Step 3: Cross multiply
    153,907.42x = 212,333.79 × 93,455.14
  4. Step 4: Simplify right side
    153,907.42x = 19,843,684,071.18
  5. Step 5: Solve for x
    x = 19,843,684,071.18/153,907.42
  6. Step 6: Final answer
    x = 128,932.60

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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.