Home / 191,981.48-265,065.62-124,162.60

Finding the Fourth Proportional to 191,981.48, 265,065.62 and 124,162.60

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Solution

The fourth proportional to 191,981.48, 265,065.62 and 124,162.60 is: 171,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,981.48 : 265,065.62 = 124,162.60 : x
  2. Step 2: Convert to fraction form
    191,981.48/265,065.62 = 124,162.60/x
  3. Step 3: Cross multiply
    191,981.48x = 265,065.62 × 124,162.60
  4. Step 4: Simplify right side
    191,981.48x = 32,911,236,549.81
  5. Step 5: Solve for x
    x = 32,911,236,549.81/191,981.48
  6. Step 6: Final answer
    x = 171,429.23

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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.