Home / 145,897.13-218,763.61-46,038.71

Finding the Fourth Proportional to 145,897.13, 218,763.61 and 46,038.71

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Solution

The fourth proportional to 145,897.13, 218,763.61 and 46,038.71 is: 69,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,897.13 : 218,763.61 = 46,038.71 : x
  2. Step 2: Convert to fraction form
    145,897.13/218,763.61 = 46,038.71/x
  3. Step 3: Cross multiply
    145,897.13x = 218,763.61 × 46,038.71
  4. Step 4: Simplify right side
    145,897.13x = 10,071,594,399.34
  5. Step 5: Solve for x
    x = 10,071,594,399.34/145,897.13
  6. Step 6: Final answer
    x = 69,032.16

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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.