Home / 385,547.26-531,991.95-242,205.82

Finding the Fourth Proportional to 385,547.26, 531,991.95 and 242,205.82

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Solution

The fourth proportional to 385,547.26, 531,991.95 and 242,205.82 is: 334,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,547.26 : 531,991.95 = 242,205.82 : x
  2. Step 2: Convert to fraction form
    385,547.26/531,991.95 = 242,205.82/x
  3. Step 3: Cross multiply
    385,547.26x = 531,991.95 × 242,205.82
  4. Step 4: Simplify right side
    385,547.26x = 128,851,546,483.15
  5. Step 5: Solve for x
    x = 128,851,546,483.15/385,547.26
  6. Step 6: Final answer
    x = 334,204.29

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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.