Home / 161,303.04-222,595.32-89,681.52

Finding the Fourth Proportional to 161,303.04, 222,595.32 and 89,681.52

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Solution

The fourth proportional to 161,303.04, 222,595.32 and 89,681.52 is: 123,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,303.04 : 222,595.32 = 89,681.52 : x
  2. Step 2: Convert to fraction form
    161,303.04/222,595.32 = 89,681.52/x
  3. Step 3: Cross multiply
    161,303.04x = 222,595.32 × 89,681.52
  4. Step 4: Simplify right side
    161,303.04x = 19,962,686,642.49
  5. Step 5: Solve for x
    x = 19,962,686,642.49/161,303.04
  6. Step 6: Final answer
    x = 123,758.90

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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.