Home / 112,911.93-169,314.24-65,541.63

Finding the Fourth Proportional to 112,911.93, 169,314.24 and 65,541.63

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Solution

The fourth proportional to 112,911.93, 169,314.24 and 65,541.63 is: 98,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,911.93 : 169,314.24 = 65,541.63 : x
  2. Step 2: Convert to fraction form
    112,911.93/169,314.24 = 65,541.63/x
  3. Step 3: Cross multiply
    112,911.93x = 169,314.24 × 65,541.63
  4. Step 4: Simplify right side
    112,911.93x = 11,097,131,271.81
  5. Step 5: Solve for x
    x = 11,097,131,271.81/112,911.93
  6. Step 6: Final answer
    x = 98,281.30

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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.