Home / 164,055.60-245,427.30-142,112.70

Finding the Fourth Proportional to 164,055.60, 245,427.30 and 142,112.70

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Solution

The fourth proportional to 164,055.60, 245,427.30 and 142,112.70 is: 212,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,055.60 : 245,427.30 = 142,112.70 : x
  2. Step 2: Convert to fraction form
    164,055.60/245,427.30 = 142,112.70/x
  3. Step 3: Cross multiply
    164,055.60x = 245,427.30 × 142,112.70
  4. Step 4: Simplify right side
    164,055.60x = 34,878,336,256.71
  5. Step 5: Solve for x
    x = 34,878,336,256.71/164,055.60
  6. Step 6: Final answer
    x = 212,600.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.