Home / 160,405.37-221,382.72-92,409.11

Finding the Fourth Proportional to 160,405.37, 221,382.72 and 92,409.11

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Solution

The fourth proportional to 160,405.37, 221,382.72 and 92,409.11 is: 127,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405.37 : 221,382.72 = 92,409.11 : x
  2. Step 2: Convert to fraction form
    160,405.37/221,382.72 = 92,409.11/x
  3. Step 3: Cross multiply
    160,405.37x = 221,382.72 × 92,409.11
  4. Step 4: Simplify right side
    160,405.37x = 20,457,779,017.67
  5. Step 5: Solve for x
    x = 20,457,779,017.67/160,405.37
  6. Step 6: Final answer
    x = 127,538.00

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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.