Home / 186,556.02-257,488.84-118,559.72

Finding the Fourth Proportional to 186,556.02, 257,488.84 and 118,559.72

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Solution

The fourth proportional to 186,556.02, 257,488.84 and 118,559.72 is: 163,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,556.02 : 257,488.84 = 118,559.72 : x
  2. Step 2: Convert to fraction form
    186,556.02/257,488.84 = 118,559.72/x
  3. Step 3: Cross multiply
    186,556.02x = 257,488.84 × 118,559.72
  4. Step 4: Simplify right side
    186,556.02x = 30,527,805,565.45
  5. Step 5: Solve for x
    x = 30,527,805,565.45/186,556.02
  6. Step 6: Final answer
    x = 163,638.82

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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.