Home / 186,271.02-257,089.44-105,706.05

Finding the Fourth Proportional to 186,271.02, 257,089.44 and 105,706.05

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Solution

The fourth proportional to 186,271.02, 257,089.44 and 105,706.05 is: 145,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271.02 : 257,089.44 = 105,706.05 : x
  2. Step 2: Convert to fraction form
    186,271.02/257,089.44 = 105,706.05/x
  3. Step 3: Cross multiply
    186,271.02x = 257,089.44 × 105,706.05
  4. Step 4: Simplify right side
    186,271.02x = 27,175,909,199.11
  5. Step 5: Solve for x
    x = 27,175,909,199.11/186,271.02
  6. Step 6: Final answer
    x = 145,894.46

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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.