Home / 134,646.48-185,816.16-77,296.32

Finding the Fourth Proportional to 134,646.48, 185,816.16 and 77,296.32

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Solution

The fourth proportional to 134,646.48, 185,816.16 and 77,296.32 is: 106,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,646.48 : 185,816.16 = 77,296.32 : x
  2. Step 2: Convert to fraction form
    134,646.48/185,816.16 = 77,296.32/x
  3. Step 3: Cross multiply
    134,646.48x = 185,816.16 × 77,296.32
  4. Step 4: Simplify right side
    134,646.48x = 14,362,905,364.53
  5. Step 5: Solve for x
    x = 14,362,905,364.53/134,646.48
  6. Step 6: Final answer
    x = 106,671.23

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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.