Home / 153,664.53-212,071.05-93,250.55

Finding the Fourth Proportional to 153,664.53, 212,071.05 and 93,250.55

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Solution

The fourth proportional to 153,664.53, 212,071.05 and 93,250.55 is: 128,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,664.53 : 212,071.05 = 93,250.55 : x
  2. Step 2: Convert to fraction form
    153,664.53/212,071.05 = 93,250.55/x
  3. Step 3: Cross multiply
    153,664.53x = 212,071.05 × 93,250.55
  4. Step 4: Simplify right side
    153,664.53x = 19,775,742,051.58
  5. Step 5: Solve for x
    x = 19,775,742,051.58/153,664.53
  6. Step 6: Final answer
    x = 128,694.25

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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.