Home / 214,166.63-295,549.83-128,129.25

Finding the Fourth Proportional to 214,166.63, 295,549.83 and 128,129.25

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Solution

The fourth proportional to 214,166.63, 295,549.83 and 128,129.25 is: 176,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,166.63 : 295,549.83 = 128,129.25 : x
  2. Step 2: Convert to fraction form
    214,166.63/295,549.83 = 128,129.25/x
  3. Step 3: Cross multiply
    214,166.63x = 295,549.83 × 128,129.25
  4. Step 4: Simplify right side
    214,166.63x = 37,868,578,055.53
  5. Step 5: Solve for x
    x = 37,868,578,055.53/214,166.63
  6. Step 6: Final answer
    x = 176,818.30

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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.