Home / 190,159.52-262,429.80-109,600.16

Finding the Fourth Proportional to 190,159.52, 262,429.80 and 109,600.16

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Solution

The fourth proportional to 190,159.52, 262,429.80 and 109,600.16 is: 151,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,159.52 : 262,429.80 = 109,600.16 : x
  2. Step 2: Convert to fraction form
    190,159.52/262,429.80 = 109,600.16/x
  3. Step 3: Cross multiply
    190,159.52x = 262,429.80 × 109,600.16
  4. Step 4: Simplify right side
    190,159.52x = 28,762,348,068.77
  5. Step 5: Solve for x
    x = 28,762,348,068.77/190,159.52
  6. Step 6: Final answer
    x = 151,253.79

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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.