Home / 186,302.40-257,130.87-109,816.98

Finding the Fourth Proportional to 186,302.40, 257,130.87 and 109,816.98

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Solution

The fourth proportional to 186,302.40, 257,130.87 and 109,816.98 is: 151,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,302.40 : 257,130.87 = 109,816.98 : x
  2. Step 2: Convert to fraction form
    186,302.40/257,130.87 = 109,816.98/x
  3. Step 3: Cross multiply
    186,302.40x = 257,130.87 × 109,816.98
  4. Step 4: Simplify right side
    186,302.40x = 28,237,335,608.17
  5. Step 5: Solve for x
    x = 28,237,335,608.17/186,302.40
  6. Step 6: Final answer
    x = 151,567.21

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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.