Home / 186,458.02-257,312.51-101,573.26

Finding the Fourth Proportional to 186,458.02, 257,312.51 and 101,573.26

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Solution

The fourth proportional to 186,458.02, 257,312.51 and 101,573.26 is: 140,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,458.02 : 257,312.51 = 101,573.26 : x
  2. Step 2: Convert to fraction form
    186,458.02/257,312.51 = 101,573.26/x
  3. Step 3: Cross multiply
    186,458.02x = 257,312.51 × 101,573.26
  4. Step 4: Simplify right side
    186,458.02x = 26,136,070,479.48
  5. Step 5: Solve for x
    x = 26,136,070,479.48/186,458.02
  6. Step 6: Final answer
    x = 140,171.34

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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.