Home / 149,030.02-223,643.51-70,166.80

Finding the Fourth Proportional to 149,030.02, 223,643.51 and 70,166.80

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Solution

The fourth proportional to 149,030.02, 223,643.51 and 70,166.80 is: 105,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,030.02 : 223,643.51 = 70,166.80 : x
  2. Step 2: Convert to fraction form
    149,030.02/223,643.51 = 70,166.80/x
  3. Step 3: Cross multiply
    149,030.02x = 223,643.51 × 70,166.80
  4. Step 4: Simplify right side
    149,030.02x = 15,692,349,437.47
  5. Step 5: Solve for x
    x = 15,692,349,437.47/149,030.02
  6. Step 6: Final answer
    x = 105,296.57

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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.