Home / 130,038.16-179,446.44-73,457.68

Finding the Fourth Proportional to 130,038.16, 179,446.44 and 73,457.68

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Solution

The fourth proportional to 130,038.16, 179,446.44 and 73,457.68 is: 101,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,038.16 : 179,446.44 = 73,457.68 : x
  2. Step 2: Convert to fraction form
    130,038.16/179,446.44 = 73,457.68/x
  3. Step 3: Cross multiply
    130,038.16x = 179,446.44 × 73,457.68
  4. Step 4: Simplify right side
    130,038.16x = 13,181,719,166.66
  5. Step 5: Solve for x
    x = 13,181,719,166.66/130,038.16
  6. Step 6: Final answer
    x = 101,368.08

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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.