Home / 228,503.90-315,331.52-126,527.16

Finding the Fourth Proportional to 228,503.90, 315,331.52 and 126,527.16

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Solution

The fourth proportional to 228,503.90, 315,331.52 and 126,527.16 is: 174,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,503.90 : 315,331.52 = 126,527.16 : x
  2. Step 2: Convert to fraction form
    228,503.90/315,331.52 = 126,527.16/x
  3. Step 3: Cross multiply
    228,503.90x = 315,331.52 × 126,527.16
  4. Step 4: Simplify right side
    228,503.90x = 39,898,001,051.45
  5. Step 5: Solve for x
    x = 39,898,001,051.45/228,503.90
  6. Step 6: Final answer
    x = 174,605.34

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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.