Home / 207,050.60-310,619.10-118,231.40

Finding the Fourth Proportional to 207,050.60, 310,619.10 and 118,231.40

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Solution

The fourth proportional to 207,050.60, 310,619.10 and 118,231.40 is: 177,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,050.60 : 310,619.10 = 118,231.40 : x
  2. Step 2: Convert to fraction form
    207,050.60/310,619.10 = 118,231.40/x
  3. Step 3: Cross multiply
    207,050.60x = 310,619.10 × 118,231.40
  4. Step 4: Simplify right side
    207,050.60x = 36,724,931,059.74
  5. Step 5: Solve for x
    x = 36,724,931,059.74/207,050.60
  6. Step 6: Final answer
    x = 177,371.77

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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.