Home / 228,555.04-315,111.60-147,840.16

Finding the Fourth Proportional to 228,555.04, 315,111.60 and 147,840.16

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Solution

The fourth proportional to 228,555.04, 315,111.60 and 147,840.16 is: 203,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,555.04 : 315,111.60 = 147,840.16 : x
  2. Step 2: Convert to fraction form
    228,555.04/315,111.60 = 147,840.16/x
  3. Step 3: Cross multiply
    228,555.04x = 315,111.60 × 147,840.16
  4. Step 4: Simplify right side
    228,555.04x = 46,586,149,361.86
  5. Step 5: Solve for x
    x = 46,586,149,361.86/228,555.04
  6. Step 6: Final answer
    x = 203,829.02

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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.