Home / 119,429.02-164,807.85-65,713.60

Finding the Fourth Proportional to 119,429.02, 164,807.85 and 65,713.60

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Solution

The fourth proportional to 119,429.02, 164,807.85 and 65,713.60 is: 90,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,429.02 : 164,807.85 = 65,713.60 : x
  2. Step 2: Convert to fraction form
    119,429.02/164,807.85 = 65,713.60/x
  3. Step 3: Cross multiply
    119,429.02x = 164,807.85 × 65,713.60
  4. Step 4: Simplify right side
    119,429.02x = 10,830,117,131.76
  5. Step 5: Solve for x
    x = 10,830,117,131.76/119,429.02
  6. Step 6: Final answer
    x = 90,682.46

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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.