Home / 268,079.10-369,955.32-153,368.52

Finding the Fourth Proportional to 268,079.10, 369,955.32 and 153,368.52

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Solution

The fourth proportional to 268,079.10, 369,955.32 and 153,368.52 is: 211,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,079.10 : 369,955.32 = 153,368.52 : x
  2. Step 2: Convert to fraction form
    268,079.10/369,955.32 = 153,368.52/x
  3. Step 3: Cross multiply
    268,079.10x = 369,955.32 × 153,368.52
  4. Step 4: Simplify right side
    268,079.10x = 56,739,499,894.53
  5. Step 5: Solve for x
    x = 56,739,499,894.53/268,079.10
  6. Step 6: Final answer
    x = 211,652.08

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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.