Home / 160,075.05-240,081.75-74,662.32

Finding the Fourth Proportional to 160,075.05, 240,081.75 and 74,662.32

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Solution

The fourth proportional to 160,075.05, 240,081.75 and 74,662.32 is: 111,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,075.05 : 240,081.75 = 74,662.32 : x
  2. Step 2: Convert to fraction form
    160,075.05/240,081.75 = 74,662.32/x
  3. Step 3: Cross multiply
    160,075.05x = 240,081.75 × 74,662.32
  4. Step 4: Simplify right side
    160,075.05x = 17,925,060,444.66
  5. Step 5: Solve for x
    x = 17,925,060,444.66/160,075.05
  6. Step 6: Final answer
    x = 111,979.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.