Home / 191,831.16-264,657.56-111,214.28

Finding the Fourth Proportional to 191,831.16, 264,657.56 and 111,214.28

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Solution

The fourth proportional to 191,831.16, 264,657.56 and 111,214.28 is: 153,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,831.16 : 264,657.56 = 111,214.28 : x
  2. Step 2: Convert to fraction form
    191,831.16/264,657.56 = 111,214.28/x
  3. Step 3: Cross multiply
    191,831.16x = 264,657.56 × 111,214.28
  4. Step 4: Simplify right side
    191,831.16x = 29,433,699,981.96
  5. Step 5: Solve for x
    x = 29,433,699,981.96/191,831.16
  6. Step 6: Final answer
    x = 153,435.45

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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.