Home / 152,071.40-228,155.70-52,295.60

Finding the Fourth Proportional to 152,071.40, 228,155.70 and 52,295.60

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Solution

The fourth proportional to 152,071.40, 228,155.70 and 52,295.60 is: 78,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,071.40 : 228,155.70 = 52,295.60 : x
  2. Step 2: Convert to fraction form
    152,071.40/228,155.70 = 52,295.60/x
  3. Step 3: Cross multiply
    152,071.40x = 228,155.70 × 52,295.60
  4. Step 4: Simplify right side
    152,071.40x = 11,931,539,224.92
  5. Step 5: Solve for x
    x = 11,931,539,224.92/152,071.40
  6. Step 6: Final answer
    x = 78,460.11

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1.5x scale

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.