Home / 415,461.06-623,275.43-131,196.01

Finding the Fourth Proportional to 415,461.06, 623,275.43 and 131,196.01

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Solution

The fourth proportional to 415,461.06, 623,275.43 and 131,196.01 is: 196,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,461.06 : 623,275.43 = 131,196.01 : x
  2. Step 2: Convert to fraction form
    415,461.06/623,275.43 = 131,196.01/x
  3. Step 3: Cross multiply
    415,461.06x = 623,275.43 × 131,196.01
  4. Step 4: Simplify right side
    415,461.06x = 81,771,249,547.03
  5. Step 5: Solve for x
    x = 81,771,249,547.03/415,461.06
  6. Step 6: Final answer
    x = 196,820.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.