Home / 127,828.37-176,395.21-70,464.71

Finding the Fourth Proportional to 127,828.37, 176,395.21 and 70,464.71

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Solution

The fourth proportional to 127,828.37, 176,395.21 and 70,464.71 is: 97,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,828.37 : 176,395.21 = 70,464.71 : x
  2. Step 2: Convert to fraction form
    127,828.37/176,395.21 = 70,464.71/x
  3. Step 3: Cross multiply
    127,828.37x = 176,395.21 × 70,464.71
  4. Step 4: Simplify right side
    127,828.37x = 12,429,637,582.87
  5. Step 5: Solve for x
    x = 12,429,637,582.87/127,828.37
  6. Step 6: Final answer
    x = 97,236.92

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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.