Home / 197,938.47-273,281.40-130,075.86

Finding the Fourth Proportional to 197,938.47, 273,281.40 and 130,075.86

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Solution

The fourth proportional to 197,938.47, 273,281.40 and 130,075.86 is: 179,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,938.47 : 273,281.40 = 130,075.86 : x
  2. Step 2: Convert to fraction form
    197,938.47/273,281.40 = 130,075.86/x
  3. Step 3: Cross multiply
    197,938.47x = 273,281.40 × 130,075.86
  4. Step 4: Simplify right side
    197,938.47x = 35,547,313,127.00
  5. Step 5: Solve for x
    x = 35,547,313,127.00/197,938.47
  6. Step 6: Final answer
    x = 179,587.69

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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.