Home / 119,026.93-164,256.71-65,312.84

Finding the Fourth Proportional to 119,026.93, 164,256.71 and 65,312.84

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Solution

The fourth proportional to 119,026.93, 164,256.71 and 65,312.84 is: 90,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.93 : 164,256.71 = 65,312.84 : x
  2. Step 2: Convert to fraction form
    119,026.93/164,256.71 = 65,312.84/x
  3. Step 3: Cross multiply
    119,026.93x = 164,256.71 × 65,312.84
  4. Step 4: Simplify right side
    119,026.93x = 10,728,072,303.23
  5. Step 5: Solve for x
    x = 10,728,072,303.23/119,026.93
  6. Step 6: Final answer
    x = 90,131.47

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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.