Home / 186,412.90-257,276.64-134,897.26

Finding the Fourth Proportional to 186,412.90, 257,276.64 and 134,897.26

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Solution

The fourth proportional to 186,412.90, 257,276.64 and 134,897.26 is: 186,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,412.90 : 257,276.64 = 134,897.26 : x
  2. Step 2: Convert to fraction form
    186,412.90/257,276.64 = 134,897.26/x
  3. Step 3: Cross multiply
    186,412.90x = 257,276.64 × 134,897.26
  4. Step 4: Simplify right side
    186,412.90x = 34,705,913,798.01
  5. Step 5: Solve for x
    x = 34,705,913,798.01/186,412.90
  6. Step 6: Final answer
    x = 186,177.64

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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.